[Pattern] CF pipe repair

[Anthony Romano]

Great thanks for the help.

>From: "Gray E Fowler" <gfowler at raytheon.com>
>Reply-To: discussion at nsrca.org
>To: discussion at nsrca.org
>Subject: RE: [Pattern] CF pipe repair
>Date: Thu, 3 Jul 2003 09:17:37 -0500
>
>acetone, mek, lacquer thinner, etc. Then lightly sand with 180-220
>
>
>
>Gray Fowler
>Principal Chemical Engineer
>Composites Engineering
>
>
>
>
>"Anthony Romano" <anthonyr105 at hotmail.com>
>Sent by: discussion-request at nsrca.org
>07/03/2003 08:45 AM
>Please respond to discussion
>
>
>         To:     discussion at nsrca.org
>         cc:
>         Subject:        RE: [Pattern] CF pipe repair
>
>
>
>I do have some Zpoxy finishing resin and glass at the house if that would
>be
>better. What is best for cleaning the surface?
>
>Anthony
>
> >From: "Gray E Fowler" <gfowler at raytheon.com>
> >Reply-To: discussion at nsrca.org
> >To: discussion at nsrca.org
> >Subject: RE: [Pattern] CF pipe repair
> >Date: Thu, 3 Jul 2003 08:18:38 -0500
> >
> >You do not need carbon fiber, fiberglass will work fine. A light weave
> >will be the easiest to wrap around the stinger, use several layers of
> >light fabric as opposed to one heavy layer. JB weld is not so great but
> >may be the best stuff that you have acess to.  The stinger does not get
> >overly hot so JB stuff may be fine. In reality most finishing resins have
> >the same temp resistance as JB weld and will wet the fabric much easier.
> >
> >
> >
> >Gray Fowler
> >Principal Chemical Engineer
> >Composites Engineering
> >
> >
> >
> >
> >"Anthony Romano" <anthonyr105 at hotmail.com>
> >Sent by: discussion-request at nsrca.org
> >07/03/2003 08:04 AM
> >Please respond to discussion
> >
> >
> >         To:     discussion at nsrca.org, rickwallace45 at hotmail.com
> >         cc:
> >         Subject:        RE: [Pattern] CF pipe repair
> >
> >
> >
> >That was what I planning just need to find some CF that I can use. Any
> >other
> >suggestions?
> >
> >
> > >From: "Rick Wallace" <rickwallace45 at hotmail.com>
> > >To: <anthonyr105 at hotmail.com>
> > >Subject: RE: [Pattern] CF pipe repair
> > >Date: Wed, 2 Jul 2003 22:01:42 -0400
> > >
> > >Hi, Anthony --
> > >Does this mean we've found something in the woods??? I hope so!
> > >
> > >I repaired a cracked  ESkorepa  CF pipe with JB weld and uniweb, which
> > >is a thin non directional carbon fiber product. (It's the only kind of
> > >carbon fiber I have / had in the shop)
> > >Anyway, here's how it went
> > >-cleaned it all up w/ alcohol and maybe acetone
> > >-saturated the carbon cloth with JB Weld
> > >-Coated the crack and surrounding area with JB weld
> > >-Put the patch in place making sure there was full contact-- a couple
> > >wraps of the carbon cloth as I recall
> > >-Wrapped that with clear plastic (a la Monokote backing)
> > >- taped that solidly to maintain good pressure
> > >
> > >Left the shop.
> > >
> > >The repair lasted 50+ flights, and when the midair happened, the
> > >repaired section was unbroken -- the pipe DID break 6" on either side
>of
> > >the repair.
> > >
> > >Hope this helps!
> > >
> > >Are you planning on coming down this way anytime this weekend? Still
> > >thinking about bbq'ing at the field one day this weekend.
> > >Probly won't be Friday = that'll be annother building day for the
>Focus.
> > >
> > >
> > >Good luck!
> > >
> > >Rick
> > >
> > >
> > > > -----Original Message-----
> > > > From: pattern-admin at rcmailinglists.com [mailto:pattern-
> > > > admin at rcmailinglists.com] On Behalf Of Anthony Romano
> > > > Sent: Wednesday, July 02, 2003 12:45 PM
> > > > To: pattern at rcmailinglists.com
> > > > Subject: [Pattern] CF pipe repair
> > > >
> > > > I need to repair an ES pipe that has the stinger cracked pretty
>badly
> > > > right
> > > > at the base. What would be the best material, technique, adhesive
>etc.
> > > >
> > > > TIA
> > > >
> > > > Anthony
> > > >
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